compiler-rt/lib/gwp_asan/platform_specific/common_posix.cpp

   1 //===-- common_posix.cpp ----------------------------------------*- C++ -*-===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8
   9 #include "gwp_asan/common.h"
  10
  11 #include <stdint.h>
  12 #include <sys/syscall.h> // IWYU pragma: keep
  13 // IWYU pragma: no_include <syscall.h>
  14 #include <unistd.h>
  15
  16 namespace gwp_asan {
  17
  18 uint64_t getThreadID() {
  19 #ifdef SYS_gettid
  20   return syscall(SYS_gettid);
  21 #else
  22   return kInvalidThreadID;
  23 #endif
  24 }
  25
  26 } // namespace gwp_asan